Home / 8,806.45-12,154.15-5,450.34

Finding the Fourth Proportional to 8,806.45, 12,154.15 and 5,450.34

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Solution

The fourth proportional to 8,806.45, 12,154.15 and 5,450.34 is: 7,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.45 : 12,154.15 = 5,450.34 : x
  2. Step 2: Convert to fraction form
    8,806.45/12,154.15 = 5,450.34/x
  3. Step 3: Cross multiply
    8,806.45x = 12,154.15 × 5,450.34
  4. Step 4: Simplify right side
    8,806.45x = 66,244,302.30
  5. Step 5: Solve for x
    x = 66,244,302.30/8,806.45
  6. Step 6: Final answer
    x = 7,522.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.